Split 6 vanilla beans lengthwise and scrape out the seeds
Chop the empty pods into small pieces
Combine the seeds and pods with 1/2 cup granulated sugar and 1/2 cup light corn syrup
Add 1 tablespoon vanilla extract
Add 1 to 2 tablespoons water if needed to help blend
Blend or process until thick and smooth
Transfer to a clean airtight jar
Store in the refrigerator
Stir before each use